package com.market.domain.entity;

import com.market.constants.Constants;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class StrategyRuleEntity {

    private Long strategyId;
    /** 抽奖奖品ID【规则类型为策略，则不需要奖品ID】 */
    private Integer awardId;
    /** 抽象规则类型；1-策略规则、2-奖品规则 */
    private Integer ruleType;
    /** 抽奖规则类型【rule_random - 随机值计算、rule_lock - 抽奖几次后解锁、rule_luck_award - 幸运奖(兜底奖品)】 */
    private String ruleModel;
    /** 抽奖规则比值 */
    private String ruleValue;
    /** 抽奖规则描述 */
    private String ruleDesc;


    /**
     * 处理rule_value字段
     * @return
     */
    public Map<String, List<Integer>> getRuleWeightValue(){
        if(!"rule_weight".equals(ruleModel)) return null;

        String[] ruleValueGroups = ruleValue.split(Constants.SPACE);
        Map<String,List<Integer>> resultMap=new HashMap<>();
        //遍历每个权重规则组
        for(String ruleValueGroup : ruleValueGroups){
            if(ruleValueGroup==null || ruleValueGroup.isEmpty()){
                return resultMap;
            }
            //分开获取键值 4000:102,103,104
            String[] parts=ruleValueGroup.split(Constants.COLON);//:
            //格式有误
            if(parts.length!=2){
                throw new IllegalArgumentException("rule_weight rule_rule invalid input format"+ruleValueGroup);
            }
            //获取值
            String[] valueStrings=parts[1].split(Constants.SPLIT);
            ArrayList<Integer> values = new ArrayList<>();
            for (String valueString : valueStrings) {
                values.add(Integer.parseInt(valueString));
            }
            resultMap.put(ruleValueGroup,values);
        }
        return resultMap;
    }
}
